The first two wave types, P and S, are called body waves because they travel or propagate through the body of Earth. The latter two are called surface waves they the travel along Earth's surface and their amplitude decreases with depth into Earth.
Toysmith Spring Ring Game. Here is a super fun game the kids might like. Nordstrom has this Toysmith Spring Ring Game for $14.98! That is down from the normal price of $24.99, for a 40% savings.
Cost of a Wedding Ring. The center stone constitutes the most expensive part of a classic solitaire ring, accounting for as much as 85 percent of its price. In 2015, the average cost of a wedding ring is between $5968-$6258. This includes both the engagement ring and traditional wedding band.